{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:H3E7CNJ3SB2XFTKH6VM6CNP4MM","short_pith_number":"pith:H3E7CNJ3","canonical_record":{"source":{"id":"2112.15531","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-12-31T16:16:19Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"818e8d0c7694e396beb55f458f6290279cd4d6694a059bfca8f3b347fd690dc7","abstract_canon_sha256":"af470e4cb215544b004cfda6d5d9429d88bece71d77a599b53776cc937a27c00"},"schema_version":"1.0"},"canonical_sha256":"3ec9f1353b907572cd47f559e135fc6327fecf6323b0f8241e447a1dd43e3b3a","source":{"kind":"arxiv","id":"2112.15531","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.15531","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"arxiv_version","alias_value":"2112.15531v2","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.15531","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"pith_short_12","alias_value":"H3E7CNJ3SB2X","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"pith_short_16","alias_value":"H3E7CNJ3SB2XFTKH","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"pith_short_8","alias_value":"H3E7CNJ3","created_at":"2026-07-05T04:19:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:H3E7CNJ3SB2XFTKH6VM6CNP4MM","target":"record","payload":{"canonical_record":{"source":{"id":"2112.15531","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-12-31T16:16:19Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"818e8d0c7694e396beb55f458f6290279cd4d6694a059bfca8f3b347fd690dc7","abstract_canon_sha256":"af470e4cb215544b004cfda6d5d9429d88bece71d77a599b53776cc937a27c00"},"schema_version":"1.0"},"canonical_sha256":"3ec9f1353b907572cd47f559e135fc6327fecf6323b0f8241e447a1dd43e3b3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:19:23.140479Z","signature_b64":"w/jcR1wrb9JuyWtwsYUjhORzcsVinFBesccq/QM+db/EmDi0ojWs6ta5VFtGBlygYGgUI45TjHo126y2JNraAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ec9f1353b907572cd47f559e135fc6327fecf6323b0f8241e447a1dd43e3b3a","last_reissued_at":"2026-07-05T04:19:23.140016Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:19:23.140016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.15531","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:19:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cPeJhmhDNvBhX9iwDt7MfdHtFZVhRkWwk1ySXwPLPaozcrLJckk/SbB5ybasa0WbV+tx0z5zoNtVCfawHSbHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:25:47.215907Z"},"content_sha256":"40880095ee87b5e83f9a41b83a2920689561a38c8f966b888ab0e1bfaba83be8","schema_version":"1.0","event_id":"sha256:40880095ee87b5e83f9a41b83a2920689561a38c8f966b888ab0e1bfaba83be8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:H3E7CNJ3SB2XFTKH6VM6CNP4MM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic helicity polarization in relativistic heavy ion collisions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Cong Yi, Di-Lun Yang, Jian-Hua Gao, Shi Pu","submitted_at":"2021-12-31T16:16:19Z","abstract_excerpt":"We study helicity polarization through the (3+1) dimensional relativistic viscous hydrodynamic models at $\\sqrt{s_{NN}}=200$GeV Au+Au collisions. Similar to the local spin polarization, we consider the helicity polarization beyond global equilibrium and investigate the contributions induced by thermal vorticity, shear viscous tensor, and the fluid acceleration. We find that the local helicity polarization induced by thermal vorticity dominates over other contributions. It also implies that in the low-energy collisions, the the fluid vorticity as part of thermal vorticity may play the crucial r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.15531","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2112.15531/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:19:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HE3ndmorqaaF26LXd6JjIvIVR3zRqRqnXdtrek5FDhdPq3CfFTC3k28wOaS/OAipKMDXyj7Nr1R/RR0frf+YCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:25:47.217391Z"},"content_sha256":"440ca501fa06abb91fed02457ae27f01bd6d2b9fcef6d1fd962c885acaf884fa","schema_version":"1.0","event_id":"sha256:440ca501fa06abb91fed02457ae27f01bd6d2b9fcef6d1fd962c885acaf884fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H3E7CNJ3SB2XFTKH6VM6CNP4MM/bundle.json","state_url":"https://pith.science/pith/H3E7CNJ3SB2XFTKH6VM6CNP4MM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H3E7CNJ3SB2XFTKH6VM6CNP4MM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-13T17:25:47Z","links":{"resolver":"https://pith.science/pith/H3E7CNJ3SB2XFTKH6VM6CNP4MM","bundle":"https://pith.science/pith/H3E7CNJ3SB2XFTKH6VM6CNP4MM/bundle.json","state":"https://pith.science/pith/H3E7CNJ3SB2XFTKH6VM6CNP4MM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H3E7CNJ3SB2XFTKH6VM6CNP4MM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:H3E7CNJ3SB2XFTKH6VM6CNP4MM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"af470e4cb215544b004cfda6d5d9429d88bece71d77a599b53776cc937a27c00","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-12-31T16:16:19Z","title_canon_sha256":"818e8d0c7694e396beb55f458f6290279cd4d6694a059bfca8f3b347fd690dc7"},"schema_version":"1.0","source":{"id":"2112.15531","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.15531","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"arxiv_version","alias_value":"2112.15531v2","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.15531","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"pith_short_12","alias_value":"H3E7CNJ3SB2X","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"pith_short_16","alias_value":"H3E7CNJ3SB2XFTKH","created_at":"2026-07-05T04:19:23Z"},{"alias_kind":"pith_short_8","alias_value":"H3E7CNJ3","created_at":"2026-07-05T04:19:23Z"}],"graph_snapshots":[{"event_id":"sha256:440ca501fa06abb91fed02457ae27f01bd6d2b9fcef6d1fd962c885acaf884fa","target":"graph","created_at":"2026-07-05T04:19:23Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2112.15531/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study helicity polarization through the (3+1) dimensional relativistic viscous hydrodynamic models at $\\sqrt{s_{NN}}=200$GeV Au+Au collisions. Similar to the local spin polarization, we consider the helicity polarization beyond global equilibrium and investigate the contributions induced by thermal vorticity, shear viscous tensor, and the fluid acceleration. We find that the local helicity polarization induced by thermal vorticity dominates over other contributions. It also implies that in the low-energy collisions, the the fluid vorticity as part of thermal vorticity may play the crucial r","authors_text":"Cong Yi, Di-Lun Yang, Jian-Hua Gao, Shi Pu","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-12-31T16:16:19Z","title":"Hydrodynamic helicity polarization in relativistic heavy ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.15531","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:40880095ee87b5e83f9a41b83a2920689561a38c8f966b888ab0e1bfaba83be8","target":"record","created_at":"2026-07-05T04:19:23Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"af470e4cb215544b004cfda6d5d9429d88bece71d77a599b53776cc937a27c00","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-12-31T16:16:19Z","title_canon_sha256":"818e8d0c7694e396beb55f458f6290279cd4d6694a059bfca8f3b347fd690dc7"},"schema_version":"1.0","source":{"id":"2112.15531","kind":"arxiv","version":2}},"canonical_sha256":"3ec9f1353b907572cd47f559e135fc6327fecf6323b0f8241e447a1dd43e3b3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ec9f1353b907572cd47f559e135fc6327fecf6323b0f8241e447a1dd43e3b3a","first_computed_at":"2026-07-05T04:19:23.140016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:19:23.140016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w/jcR1wrb9JuyWtwsYUjhORzcsVinFBesccq/QM+db/EmDi0ojWs6ta5VFtGBlygYGgUI45TjHo126y2JNraAw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:19:23.140479Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.15531","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40880095ee87b5e83f9a41b83a2920689561a38c8f966b888ab0e1bfaba83be8","sha256:440ca501fa06abb91fed02457ae27f01bd6d2b9fcef6d1fd962c885acaf884fa"],"state_sha256":"508232bf94c1eb9b2b6dca21e6874ed2cc7404f9847ed42306b791f4e16f7e59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KPXkMn9F4+5MYeaY9POSfvnYkSpyiLpQLvf9N3U49/HGOP73nppFU26B+gEzI8h6P9T/bJ4YfRa+LOyqlZGLAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T17:25:47.229943Z","bundle_sha256":"f6a9a8d519b68da84151b15e348d11c02092848a64e70ff1476296cc11f82e29"}}